Obesity is a risk factor for many types of cancer and also risk for Alzheimer's because both are tied to the hip with blood sugar problems.
Most of the older folks to who get cancer and age related neurodegenerative disease also seem to succumb to age related diabetes symptoms and poor insulin.
These things aren't separate-able as cleanly as you suggest.
Most of the older folks to who get cancer and age related neurodegenerative disease also seem to succumb to age related diabetes symptoms and poor insulin.
These things aren't separate-able as cleanly as you suggest.